Added errors for unavailable structs and methods

Sources/AnimationPlanner/Animations/Loop.swift

@@ -0,0 +1,29 @@
+import Foundation
+
+@available(
+    *, unavailable,
+     message: "Loop convenience struct has been removed following type checking changes in Swift 5.8. Use a for-loops or the sequence extension method `mapSequence()` or `mapGroup()` instead"
+)
+/// Loop through a sequence or for a specified repeat count to easily repeat multiple animation.
+/// - Warning: This struct is no longer available. The same functionality can be achieved by using `for`-loop or the methods `mapSequence()` and `mapGroup()` on any Swift Sequence.
+public struct Loop: SequenceAnimatable, GroupAnimatable {
+    public var duration: TimeInterval = 0
+    public init(
+        for repeatCount: Int,
+        @SequenceBuilder animations builder: (_ index: Int) -> [SequenceAnimatable]
+    ) { }
+
+    public static func through<S: Swift.Sequence>(
+        _ sequence: S,
+        @SequenceBuilder animations builder: (S.Element) -> [SequenceAnimatable]
+    ) -> [SequenceAnimatable] {
+        []
+    }
+
+    public static func through<S: Swift.Sequence>(
+        _ sequence: S,
+        @SequenceBuilder animations builder: (S.Element) -> [GroupAnimatable]
+    ) -> [GroupAnimatable] {
+        []
+    }
+}

Sources/AnimationPlanner/Animations/MapSequence.swift

@@ -1,6 +1,12 @@
 import Foundation
 
 extension Swift.Sequence {
+    @available(*, unavailable, renamed: "mapSequence", message: "use either mapSequence or mapGroup")
+    public func mapAnimations(
+        @SequenceBuilder animations builder: (Element) -> [SequenceAnimatable]
+    ) -> [SequenceAnimatable] {
+        flatMap(builder)
+    }
     /// Maps values from the sequence to animations
     /// - Parameter animations: Add each animation from within this closure. Animations should conform to ``GroupAnimatable``
     /// - Returns: Sequence of all animations created in the `animation` closure
@@ -9,7 +15,9 @@ extension Swift.Sequence {
     ) -> [SequenceAnimatable] {
         flatMap(builder)
     }
+}
 
+extension Swift.Sequence {
     /// Maps values from the sequence to animations
     /// - Parameter animations: Add each animation from within this closure. Animations added to this loop should conform to ``GroupAnimatable``
     /// - Returns: Group of all animations created in the `animation` closure